Mr Mrs Miss Ms Dr Other

Mr
Matthew
Cassie

Partner & Patent Attorney

London Office

Electronics

Telephone. +44(0) 207 776 5100
Email. [email protected]
UPC Representative
Our team of specialist European patent litigators, oppositions specialists and patent attorneys bring together an extensive depth of legal and technical knowledge and are qualified to represent you in the UPC.
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Experience

Matt has significant technical, academic, industry and professional experience to enable him to work with technologies across software and artificial intelligence, machine vision, in particular, and high tech including photonics and optics and quantum technologies.

Matt entered the IP profession having gained a First class degree in Astrophysics and a graduate degree in Optics and Photonics and after completing three years in commercial research and development.

At Zeeko Ltd, a precision engineering start-up based in the UK, Matt developed algorithms to optimise the control of Zeeko’s innovative robotic polishing machines. For Logica, a large software consultancy also in the UK, Matt developed signal processing and artificially intelligent classification algorithms for a remote sensing laser vibrometry system.

He has drafted and prosecuted patent applications across the telecoms, cybersecurity, computer networking, consumer electronics, medical imaging, instrumentation and other sectors, with significant experience in handling oral proceedings and oppositions before the EPO, often in technically and legally complex cases.

Matt has experience in developing the IP capabilities of innovative companies, helping them use IP to build a sustainable competitive advantage in their markets. He builds an understanding of his client's business activities to help them develop valuable portfolios of IP rights that are relevant to their core value proposition. He also helps them understand and manage their risk positions in relation to their competitors relative IP positions.

Matt is a FICPI-UK Council Member and an IAM 1000 Recommended Attorney. He also sits on the Intellectual Property Owner's Association Corporate IP Management & Operations Committee.

Specialisms

Industries

Services

Qualifications

Patent Attorney

Chartered (UK)
Europe

BSC

(1st Class) Astrophysics, University College London

MSC

(distinction) Optics & Photonics, Imperial College

POSTGRADUATE DIPLOMA OR CERTIFICATE

Certificate in Intellectual Property Law, Queen Mary University London

POSTGRADUATE DIPLOMA OR CERTIFICATE

Mini MBA, London Business School, w Electives in New Technology Ventures and New Venture Development, Technology Commercialisation

Recognition

Gill Prize

Matt qualified as a Chartered Patent Attorney in 2008, winning the Gill Prize from the Chartered Institute of Patent Attorneys for the highest overall mark in the final exams that year.

IAM Patent 1000 Recommended attorney

" Bridging the gap between the prosecution and transactional divisions is astrophysicist Matthew Cassie, who crafts technically complex filing strategies and advises on IP-related M&A." IAM 1000 2021 "In addition to precision prosecution, “brilliant attorney” Matthew Cassie provides infringement and validity opinions and advises start-ups on the IP aspects of commercial transactions and M&A." IAM 1000 2020 "Matthew Cassie is a former winner of the prestigious Gill Prize for the highest aggregate mark in his year when sitting the UK patent attorney examinations; his filing and prosecution skills are refined, and his client care is superb." IAM 1000 2019 "Over in London, Matthew Cassie assembles airtight portfolios brick by brick. They are all about quality, rather than quantity; what matters is getting patents that will stand the test of time." IAM 1000 2018 "Matthew Cassie – recently promoted to partner – is a precision drafter who relishes the most technically and legally challenging mandates." IAM 1000 2017

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Publications

HGF receives exceptional results in IAM Patent 1000 rankings 2025

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Can the Chancellor’s so-called “Europe’s Silicon Valley” really replicate the innovative activity of its namesake?

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IAM Patent 1000 2024

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IAM IP & Emerging Technology Europe

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IAM Patent 1000 2022

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IAM Patent 1000 2020

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IAM Patent 1000 2019

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Best Practice for In-House IP Counsel: Invention Harvesting

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Conferences: 2024

11th June 2024

HGF are proud sponsors of the Quantum Investors Network: LtW Summit.

Speaker

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Conferences: 2023

19th April 2023

IAM Live: IP and Emerging Technology Europe 2023

Attended

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Conferences: 2022

1st December 2022

HGF's IP in Retail Conference London 2022

Speaker

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Conferences: 2021

25-05-2021

Robotics and AI Showcase 2021

Attended

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26th January 2021

IQPC Global IP Exchange USA 2021

Speaker

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Conferences: 2020

29th September 2020

IQPC Global IP Exchange Europe 2020

Speaker

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Conferences: 2019

20th June 2019

Technology Patent Network Europe - London

Speaker

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14th March 2019

IP in Healthcare Conference 2019 - London & Manchester

Speaker

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CSR

Matt is a member of the International Federation of Intellectual Property Attorneys (FICPI), a global community, built on trusted relationships, which strengthens the practice of the independent IP attorney in private practice.

The skills and contributions of independent IP attorneys build growth in the companies they serve by helping them protect and build value in their intellectual property assets. The work of the independent IP attorney, and the clients they serve, is a driver in the economic growth of the countries in which they are located. FICPI serves to develop the capabilities of the private practice IP service industry, to ensure we are delivering value to the community of users of the IP system.

Matt has been appointed a member of council of the UK chapter of FICPI in which he works to develop the strength of the private practice IP attorney community in the UK.  He has organised the FICPI-UK’s business practice seminars, inviting speakers from the IP Federation, professional development advisors, and other diverse sources of insight, to develop the understanding of new ideas in the profession and build the relevance of private practice IP firms to better help our client base.

FICPI helps develop younger attorneys in private practice through mentoring and open forums, bringing them together to learn and develop under more senior industry leaders. It also seeks to bring together those senior leaders in private practice, to ensure we are continuing to develop as an industry and meet the evolving needs of our clients.

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Event - 3rd June 2025

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